indexo.dev

hørelærebog.dk

.dk crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 383 ms crawled 2026-05-31

DK · 77.111.240.142 · AS51468 One.com A/S

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Grundlæggende rytmisk hørelære og teori
Description
Dansk lærebog i rytmisk hørelære og teori fra begynder- til konservatorieniveau.

Technology

Server
Apache
jQuery
3.6.0
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • cdn.jsdelivr.net×2
  • cdnjs.cloudflare.com×1
  • code.jquery.com×1
  • fonts.googleapis.com×1

DNS records live

NS
  • ns01.one.com
  • ns02.one.com
MX
  • 10 mx1.pub.mailpod14-cph3.one.com
  • 10 mx2.pub.mailpod14-cph3.one.com
  • 10 mx3.pub.mailpod14-cph3.one.com
  • 10 mx4.pub.mailpod14-cph3.one.com

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-29 to 2026-07-28
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://xn--hrelrebog-j3a8q.dk/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (7)

Linked from (2)